Zabbix

........S. [ZBX-23688] improved new item value retrieval performance by adding new items used in trigger expressions to value cache after configuration sync (wiper)

Merge in ZBX/zabbix from feature/ZBX-23688-6.4 to release/6.4

* commit 'da388a958ecf24714cbe172afd471ded1e86a42c':
  .......PS. [ZBX-23688] moved flags to header where structure using those flags is defined
  ........S. [ZBX-23688] fixed warnings
  ........S. [ZBX-23688] fixed memory leak in the case of table sync error
  .......PS. [ZBX-23688] added check to avoid gathering new items on proxies
  ........S. [ZBX-23688] moved the new item value cache handling code to separate function
  ........S. [ZBX-23688] moved new item adding to value cache right after item/function sync
  ........S. [ZBX-23688] fixed possible race condition when value is gathered during configuration sync
  .D........ [ZBX-23688] added changelog entry
  .......... [ZBX-23688] reversed value cache source includes for cmocka tests
  ........S. [ZBX-23688] force item adding to value cache from history syncer if item is used in trigger expression
  ........S. [ZBX-23688] add new items with triggers to value cache